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The electronic configuration of few elements is given below. Mark the statement which is not correct about these elements.
(i) \( 1 s^{2} 2 s^{2} 2 p^{6} 3 s^{1} \)
(ii) \( 1 s^{2} 2 s^{2} 2 p^{5} \)
(iii) \( 1 s^{2} 2 s^{2} 2 p^{6} \)
(iv) \( 1 s^{2} 2 s^{2} 2 p^{3} \)
\( \mathrm{P} \)
(a) (i) is an alkali metal
(b) (iii) is a noble metal
(c) (i) and (ii) form ionic compounds
(d) (iv) has high ionisation enthalpy than accepted
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